Well, one big difference could be in the way their personalities are emphasized. Sometimes in the anime, they might play up certain traits of the old man to make him more memorable. And the color palette used in the anime can also change how we perceive the old man compared to the black and white of the manga.
The main differences often lie in the visual details. In anime, the old man's expressions and movements might be more exaggerated for effect.
Chapter 738, "Here to Fight!", is the clearest early answer because the buildup finally cashes out in a real clash. A useful checkpoint is the way the scene starts with Feeling that something was amiss, he immediately called Jiang Li.
Chapter 743, "They Have Already Been Released", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Too many people caused a commotion at Fang Family's place tonight,...
Chapter 531, "She Really is a Remarkable Person", is the clearest early answer because it turns Pei Ye's situation into a concrete plot event.
Chapter 779, "Unmarried but Have a Daughter?!", is the clearest early answer because it turns Chen Qijun's situation into a concrete plot event. The chapter turns that into something concrete by moving from Right, there's one more important thing," Shen Lan looked at Chen...
Chapter 685, "Defense Value Skyrockets!", is the clearest early answer because it turns Wu's situation into a concrete plot event.
Chapter 851, "Peace Charm", is the clearest early answer because it turns Shi Lei's situation into a concrete plot event. It opens with She initially came with the expectation of becoming the Gu Family's... and closes on The Old Madam also looked at Jiang Li..
The best chapter pointer here is Chapter 15, "The Autistic Teen Jiang Shixu". It opens with Jiang Shixu woke up from those nightmares filled with blood and darkness,... and closes on Since she didn't move, Jiang Shixu also stayed put, and the kitchen, which....
Chapter 922, "The Good Deed You Did!", is the clearest early answer because it turns Rong Kexi's situation into a concrete plot event.
Chapter 570, "A Simple Auto-Attack Baits Out an Ultimate from the Enemy", is the clearest early answer because the buildup finally cashes out in a real clash. It opens with What the heck is that?" "?? and closes on It was impossible for Jiang Li not to know; her family had been....
A practical answer is Chapter 8, because it turns the idea into a concrete scene. The chapter opens with The resentment that had barely calmed among the crowd surged back two..., adds pressure through Why keep harping on the fact that he wasn't a decent man?, and ends on Other people with a.